.footer {
    width: 100%;
    height: 100%;
    background-color: #f9f9f9;
    border-radius: 10px;
    display: flex;
    color: #5a5f62;
    font-family: "Source Sans Pro","Hiragino Sans GB","Microsoft Yahei",SimSun,Helvetica,Arial,Sans-serif,monospace;
    font-size: 15px;
    align-content: center;
}

.footer-box {
    margin: 10px;
}